Bluetooth headset



FIG. 1 is a first perspective view of a bluetooth headset showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a third perspective view thereof;

FIG. 4 is a fourth perspective view thereof;

FIG. 5 is a fifth perspective view thereof;

FIG. 6 is a sixth perspective view thereof;

FIG. 7 is a seventh perspective view thereof;

FIG. 8 is a front elevation view thereof;

FIG. 9 is a rear elevation view thereof;

FIG. 10 is a left side view thereof; and,

FIG. 11 is a right side view thereof. 

CLAIM The ornamental design for a bluetooth headset, as shown and described. 